Bleeder Valve 1980 C20
After some Kroil, vice grips and bloody knuckles I cracked all 4 valves loose for the first time in 42yrs. In the process I buggered up the hexes. Figure might as well replace all 4 valves now. Question- Anyone know the proper thread size? Seeing lots of conflicting info. Last thing I want is to cross thread…thanks
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